<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <my-header></my-header>
    </div>

</body>
<script src="./base/vue.js"></script>

<script>

    //全局注册组件
    /* var Header = Vue.extend({
        template:"<h3>我是h3标签...</h3>"
    })
    Vue.component("my-header",Header) */

    //注册全局组件！
    Vue.component("my-header",{
        template:"<h3>我是h3标签...</h3>"
    })


    var vm = new Vue({
        el:"#app",
    })
</script>
</html>